›› 2015, Vol. 36 ›› Issue (3): 617-624.doi: 10.16285/j.rsm.2015.03.002

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Large shaking table test on seismic response of inclined and layered site with small dip angle

ZHANG Jian-jing1, FAN Gang1, WANG Zhi-jia1, ZHANG Ming1,2, PENG Sheng-en3   

  1. 1. School of Civil Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China; 2. Zhengzhou Nuclear Geotechnical Engineering Co., Ltd., Zhengzhou, Henan 450002, China; 3. Southwest Geotechnical & Design Institute of China Nuclear Industry, Chengdu, Sichuan 610061, China
  • Received:2014-03-10 Online:2015-03-11 Published:2018-06-13

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Abstract: With large scale shaking table tests, the effects of dip direction, strike, vertical direction, slope surface direction, dip angle and direction perpendicular to slope surface on seismic response of inclined and layered site are studied. The research results show that the amplification effect of inclined site in dip direction trends to increase with increasing dip angle of strata. In strike, the amplification effect of inclined site is stronger than that in horizontal layered site when the dip angle is less than 12.5°; in both dip and strike directions, when the dip angle reaches to 12.5°, the site has an amplification influence on the part of T ≤0.1 s period in response spectrum and a weakening influence on the part of T >0.1 s period. In the vertical direction, the amplification effect of inclined and layered site is stronger than that of the horizontal layered site with increasing dip angle. The amplification effect of inclined and layered site in slope surface direction is less than that of horizontal layered site, while the amplification effect in the direction perpendicular to slope surface is stronger than that of horizontal layered site. The research results provide a reference for construction design in inclined and layered sites with small dip angles.

Key words: inclined and layered site, shaking table, amplification coefficient, response spectrum

CLC Number: 

  • P65
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